Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$899,000$405 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $584,500 on Jul 10, 2018

42 HILLSIDE AVE

UPPER SADDLE RIVER, NJ 07458
0
Baths
2,218 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.63 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$899K
$807K low$991K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$584,500 · Jul 10, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$899,000
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$719,200

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,621 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$487,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$272,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$487,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$487,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBERGEN
Lot (acres)The size of the land the home sits on, from county records.0.63
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Emil A. Cavallini Middle SchoolA-
Middle · Grades 6–8 · 1.3 mi
E
Robert D. Reynolds Primary School
Elementary · Grades PK–2 · 1.3 mi
H
Northern Highlands Regional High SchoolA+
High · Grades 9–12 · 4.2 mi

District: Upper Saddle River Borough School District

Neighborhood · ZIP 07458These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.115

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.12,183
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,189 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$213,636
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$289,760
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

42 Hillside Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 94% of homes in Saddle River 07458
  • Costs less per square foot than 72% of homes in Saddle River 07458
  • Smaller than 87% of homes in Saddle River 07458
  • Has a bigger lot than 89% of homes in Bergen County
  • Older than 98% of homes in Saddle River 07458

What homes are worth in Saddle River 07458

Each bar is how many homes fall in that price range. The marker is this home.

This home
$269K$5.1M

This home is worth more than 6% of homes in Saddle River 07458.

How it measures up in Saddle River 07458

The dot is this home. The mark in the middle is the typical home in Saddle River 07458.

Estimated value$899,000
CheaperTypical $1,531,617Pricier

Pricier than 6% of homes nearby

Price per ft²$405
CheaperTypical $450Pricier

Pricier than 28% of homes nearby

Living area2,218 ft²
SmallerTypical 3,698 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.63 ac
SmallerTypical 0.91 acBigger

Bigger than 14% of homes nearby

Year built1920
OlderTypical 1973Newer

Newer than 2% of homes nearby

How 42 Hillside Ave ranks against every home in each area.
MeasureThis homeSaddle River 07458Bergen County
Estimated valuepricier than$899,0006% of homes65% of homes
Price per ft²pricier than$40528% of homes39% of homes
Living areabigger than2,218 ft²13% of homes66% of homes
Lot sizebigger than0.63 ac14% of homes89% of homes
Year builtnewer than19202% of homes11% of homes

About 42 Hillside Ave

How much is 42 Hillside Ave, Upper Saddle River, NJ worth?

The TopHap Estimate for 42 Hillside Ave, Upper Saddle River, NJ is $899,000 as of Jul 14, 2026. The likely range is $806,779 to $991,221. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 Hillside Ave, Upper Saddle River, NJ last sell?

42 Hillside Ave, Upper Saddle River, NJ last sold on Jul 10, 2018 for $584,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 42 Hillside Ave, Upper Saddle River, NJ?

42 Hillside Ave, Upper Saddle River, NJ has 2,218 square feet of living space and a 0.63-acre lot.

When was 42 Hillside Ave, Upper Saddle River, NJ built?

42 Hillside Ave, Upper Saddle River, NJ was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 42 Hillside Ave, Upper Saddle River, NJ?

42 Hillside Ave, Upper Saddle River, NJ is assigned to Emil A. Cavallini Middle School (middle), rated A-; Robert D. Reynolds Primary School (elementary); Northern Highlands Regional High School (high), rated A+. All sit in Upper Saddle River Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 Hillside Ave, Upper Saddle River, NJ compare to other homes in Saddle River 07458?

Among the 4,176 homes in Saddle River 07458, it is worth more than 6% of them ($899,000 against a typical $1,531,617), its price per square foot is higher than 28% of them ($405 against a typical $450), it is bigger than 13% of them (2,218 ft² against a typical 3,698 ft²), its lot is bigger than 14% of them (0.63 ac against a typical 0.91 ac) and it is newer than 2% of them (1920 against a typical 1973). Measured against all of Bergen County, it is worth more than 65% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 42 Hillside Ave, Upper Saddle River, NJ?

The 2025 property tax bill for 42 Hillside Ave, Upper Saddle River, NJ was $12,621. The county assessed it at $487,300.

Closest homes

More homes in Upper Saddle River 07458

Assigned schools

Explore the area

See this home in context

Open 42 Hillside Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map